B. Padmaja Rani

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Orthogonal frequency division multiplexing (OFDM) is a popular method for high data rate wireless transmission. OFDM is combined with antenna to increase the diversity gain to enhance the system capacity on time-variant and frequency-selective channels, resulting in a multiple-input multiple-output (MIMO) configuration. To better handle fading channel,(More)
Concept drift has been a very important concept in the realm of data streams. Streaming data may consist of multiple drifting concepts each having its own underlying data distribution. Concept drift occurs when a set of examples has legitimate class labels at one time and has different legitimate labels at another time. This paper provides a comprehensive(More)
Use of Internet becomes more popular in India to avail the information needs. A major area of Information browsing includes Education, Medical, Agriculture, Geographical, Business and other social domains. Availability of electronic documents for Indian Language is growing day by day. The people living throughout India speak different languages. The(More)
Unexpected infrastructural needs in peak load management make small and medium business organization situations difficult to handle. These needs increase the setup cost of infrastructure over small and medium enterprises unbearably. Even resource utilization is not optimized because peak loads are rare in small and medium enterprises. Maintaining(More)
Information Technology brought many applications of Information Retrieval as simple as possible through Web and other Digital Information Access Environment. There is a demand in building Applications of IR in Local languages, which allows common people with minimal knowledge in at least one language to avail the information services. Word mismatch is a(More)